Raritan River below Calco Dam at Bound Brook NJ
Is Raritan River below Calco Dam at Bound Brook NJ flooding right now?
Raritan River below Calco Dam at Bound Brook NJ measured 16.75 ft on 2026-09-11 01:15:00 UTC. That observation was 11.3 ft below its 28 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
16.75 ft
Streamflow
191 cfs
Minor flooding here begins at 28 ft, with major flooding at 33 ft. The highest crest on record was 42.13 ft on Thu, Sep 2, 2021.
Flood forecast
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 26 ft | 9.3 ft below |
| Minor flood | 28 ft | 11.3 ft below |
| Moderate flood | 30 ft | 13.3 ft below |
| Major flood | 33 ft | 16.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 42.13 ft | 2021-09-02 |
| 42.13 ft | 1999-09-17 |
| 41.9 ft | 2011-08-28 |
| 38.38 ft | 2007-04-16 |
| 37.47 ft | 1971-08-28 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Middle Brook at Bound Brook NJ | 0.7 mi | Somerset County |
| Raritan River at Manville NJ | 1.8 mi | Somerset County |
| Millstone River at Weston NJ | 2.6 mi | Somerset County |
| Bound Brook at Middlesex NJ | 3.2 mi | Somerset County |
| Peters Brook at Mercer St at Somerville NJ | 3.9 mi | Somerset County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.